How Much?
- Created by: emmabesi
- Created on: 31-12-14 11:04
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Masses of atoms & metals-->
- Relative atomic mass (Ar) is the mass of an atom compared to 1 atom of carbon12.
It's the bigger number on the periodic table
- Relative formula mass (Mr) is the sum of all Ars in a formula (compoud) Eg- Mr for CO = 12+16 = 28.
- The Mr/Ar of a substance in grams is called one mole of that substance…
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